2001 BMW 525i service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- Base Sedan 4-Door
- Base Wagon 4-Door
Engines covered
- 2.5L 2494CC 152Cu. In. l6 GAS DOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
ON CERTAIN PASSENGER VEHICLES, A MICROPROCESSOR IN THE AIR BAG CONTROL MODULE, WHICH ACTIVATES THE FRONT AIR BAGS, THE SIDE AIR BAGS, THE FRONT SEAT SAFETY BELT PRETENSIONERS, AND THE BATTERY SAFETY T
UNEXPECTED DEPLOYMENT OF THE AIR BAG(S) COULD CAUSE SERIOUS INJURY IF AN OCCUPANT IS TOO CLOSE TO TH
DEALERS WILL REPLACE THE AIR BAG CONTROL MODULE. OWNER NOTIFICATION BEGAN NOVEMBER10, 2003. OWN
The basic conditions for initializing the power windows are not met.
Engine will crank but not start. There is no communication with the integrated fuel module (TFE) whendiagnosing with ISTA. The following two fault codes will be stored in the DME: 032B43 - Low fuel pressure system, electric fuel pump: press
Customers may state that the alarm system (DWA) is not active after locking their unoccupied vehicle. Depending on the vehicles equipment and settings, no acoustic or optical confirmation (folding the mirrors/blinking confirmation) is notic
BMW: PROCEDURE FOR DETERMINING AND REPLACING INCANDESCENT AND HALOGEN LIGHT BULBS UNDER WARRANTY. *RM
BMW VEHICLES: FUEL LEVEL SENSOR REPAIRS. WHERE IT IS NECESSARY TO REPLACE THE RIGHT OR THE LEFT SIDE FUEL LEVEL SENSOR DUE TO A FAILURE, THE ENTIRE PUMP AND HOUSING OR DELIVERY UNIT (SUCTION JET ASSEMBLY) DO NOT NEED TO BE REPLACED AS WELL.
TL* THE CONTACT OWNS A 2001 BMW 525I. THE CONTACT STATED THAT WHILE ENTERING A RESIDENTIAL PARKING GARAGE, THE VEHICLE ACCELERATED RAPIDLY AND ABRUPTLY AS THE ACCELERATOR PEDAL WAS LIGHTLY DEPRESSED.
WHILE DRIVING AT 20 MPH AND MAKING LEFT TURNING CONSUMER'S VEHICLE WAS INVOLVED IN A COLLISION. UPON IMPACT, NEITHER THE SIDE OR FRONT DRIVER AIR BAG DEPLOYED. DRIVER SUSTAINED CHEST, SHOULDERS,
WHILE DRIVING AT 20 MPH AND MAKING LEFT TURNING CONSUMER'S VEHICLE WAS INVOLVED IN A COLLISION. UPON IMPACT, NEITHER THE SIDE OR FRONT DRIVER AIR BAG DEPLOYED. DRIVER SUSTAINED CHEST, SHOULDERS,
Showing the 3 most serious of 31 complaints filed with NHTSA.
